Rumman Hussain Siddiqui (@rumman90)

@rumman90Karachi, PakistanJoined May 2026

Technical Lead and Software Architect focused on distributed systems, microservices, fintech architecture, cloud-native systems, and scalable backend engineering.

@rumman90Karachi, PakistanJoined May 2026

Technical Lead and Software Architect focused on distributed systems, microservices, fintech architecture, cloud-native systems, and scalable backend engineering.

Rumman Hussain Siddiqui

About

Available for

Rumman Hussain Siddiqui's blogs

Recently published

Building a Knowledge Graph RAG Playground with PostgreSQL, Neo4j, and OpenAI

Testing Index Assumptions Across PostgreSQL, MySQL, SQL Server, and Oracle

Building a Document Intelligence Platform with NestJS, n8n, and PostgreSQL

Blockchain Meets Distributed Systems: The Similarities Most Engineers Overlook

Designing a Resilient Order Fulfillment Architecture with Saga Pattern, RabbitMQ, Redis, and SQL Server

Rumman Hussain Siddiqui

About

Available for

Rumman Hussain Siddiqui's blogs

Recently published

Building a Knowledge Graph RAG Playground with PostgreSQL, Neo4j, and OpenAI

Testing Index Assumptions Across PostgreSQL, MySQL, SQL Server, and Oracle

Building a Document Intelligence Platform with NestJS, n8n, and PostgreSQL

Blockchain Meets Distributed Systems: The Similarities Most Engineers Overlook

Designing a Resilient Order Fulfillment Architecture with Saga Pattern, RabbitMQ, Redis, and SQL Server

Rumman Hussain Siddiqui

About

Available for

Rumman Hussain Siddiqui's blogs

Recently published

Building a Knowledge Graph RAG Playground with PostgreSQL, Neo4j, and OpenAI

Testing Index Assumptions Across PostgreSQL, MySQL, SQL Server, and Oracle

Building a Document Intelligence Platform with NestJS, n8n, and PostgreSQL

Blockchain Meets Distributed Systems: The Similarities Most Engineers Overlook

Designing a Resilient Order Fulfillment Architecture with Saga Pattern, RabbitMQ, Redis, and SQL Server

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Rumman Hussain Siddiqui

About

Available for

Rumman Hussain Siddiqui's blogs

Recently published

Building a Knowledge Graph RAG Playground with PostgreSQL, Neo4j, and OpenAI

Testing Index Assumptions Across PostgreSQL, MySQL, SQL Server, and Oracle

Building a Document Intelligence Platform with NestJS, n8n, and PostgreSQL

Blockchain Meets Distributed Systems: The Similarities Most Engineers Overlook

Designing a Resilient Order Fulfillment Architecture with Saga Pattern, RabbitMQ, Redis, and SQL Server